6 Best Paper Clamps For Securing Watercolor Blocks
Struggling with curling paper? Discover the 6 best paper clamps for securing watercolor blocks to keep your pages flat while you paint. Shop our top picks today!
Watercolor blocks are the primary canvas for wet media, but even the best-glued edges can buckle under heavy saturation. Much like pinning a lace shawl to blocking wires to preserve its intended shape, securing the corners of a watercolor block prevents the paper from warping while it dries. Proper tension is as vital here as maintaining even stitch tension when working with delicate silk or linen yarns. Choosing the right clamp ensures the surface remains flat, allowing for predictable pigment flow and crisp details.
Heavy Duty Binder Clips: The Budget-Friendly Choice
Binder clips are the utility players of the art supply world, readily available in most office environments. Their simple folding-arm mechanism provides a surprising amount of pressure for such a low-cost tool.
For the artist who prefers working with thinner paper or standard student-grade blocks, these clips offer sufficient stability. They occupy minimal space, which is an advantage if the workspace is as crowded as a yarn stash in a small closet.
However, the steel handles can sometimes get in the way of a hand brushing against the paper. Be mindful of the sharp edges, as they can snag on delicate work just as a rough wooden needle might catch on a loose-ply mohair blend.
Pony Spring Clamps: Best for a Heavy-Duty Grip
Pony spring clamps provide a firm, reliable hold that is far superior to standard office clips. These are the equivalent of heavy-duty circular needles with a smooth join; they get the job done without unnecessary fuss or slip.
If the goal is to secure a large, thick watercolor block that sees heavy use of water, these clamps will hold fast through the entire drying process. They distribute pressure evenly, preventing the edges from lifting prematurely.
These tools are built for endurance, much like a pair of high-quality stainless steel needles that last a lifetime. They are not the most portable option, but they are ideal for a dedicated studio table.
U.S. Art Supply Steel Clamps: Top Artist Pick
These steel clamps are designed with the specific needs of painters in mind, mirroring the deliberate engineering found in ergonomic crochet hooks. They feature a robust construction that feels solid and precise in the hand.
Because they are crafted specifically for art surfaces, the jaws are usually well-aligned to apply consistent pressure across the entire clip face. This reduces the risk of uneven drying or localized warping near the paper’s edge.
Investing in tools designed for a singular purpose often leads to better long-term results. These are the gold standard for artists who prioritize structural integrity in their work, similar to a master knitter choosing a specific needle material to achieve perfect gauge.
Soho Urban Artist Bulldog Clips: Gentle on Paper
Bulldog clips are a classic choice, offering a balanced grip that secures paper without excessive force. Their design is inherently more aesthetic and less intrusive than industrial-grade metal clamps.
For artists working on cold-press or rough paper, these clips are unlikely to leave deep indentations. They act like soft bamboo needles that handle delicate fibers with care, preventing unwanted scarring on the surface of the work.
While they are excellent for lighter washes, they might not be the best choice for extremely heavy, soaked papers. Match the tool to the fiber—or in this case, the paper weight—to ensure the best outcome.
Mr. Pen Metal Spring Clamps: The Best Value Pack
Mr. Pen provides a multi-pack of spring clamps that allows for securing all four sides of a watercolor block simultaneously. This level of coverage is vital for ensuring the paper dries flat, similar to how one might pin a complex piece of colorwork to ensure every motif aligns correctly.
The spring tension is moderate, making these accessible for daily use without requiring excessive hand strength. Having a variety of sizes in a single pack is a significant advantage for those who alternate between small studies and larger paintings.
Budget-friendly kits are perfect for beginners who need to stock up on multiple tools at once. They provide the consistency needed to develop confidence without the high cost of individual specialty items.
Pro-Art Plastic Spring Clamps: Lightweight Option
Plastic spring clamps serve as a lightweight alternative to their metal counterparts. They are ideal for artists who travel, as they reduce the weight of a portable painting kit without sacrificing necessary functionality.
Because these are plastic, they are gentle on the paper’s surface and will not leave rust marks if stored in a damp studio environment. They operate with a smooth, snappy action that is easy to engage, much like the ease of working with polished carbon-fiber needles.
Though they may not exert the same extreme pressure as heavy-duty steel, they are more than sufficient for most standard watercolor applications. They offer a great balance of portability and performance for the artist on the move.
How to Pick the Right Clamp for Your Art Block
The decision hinges on the weight of the paper and the intended level of saturation. Just as one would not use size 10 needles for fine lace yarn, choosing a massive industrial clamp for a thin, delicate sheet might lead to unwanted damage or excessive indentation.
- Consider the Paper Weight: Thicker paper requires stronger spring pressure.
- Evaluate Surface Sensitivity: Softer finishes may bruise under the grip of metal, making plastic or rubber-tipped options safer.
- Assess Portability: If the art supplies travel often, lightweight plastic or small binder clips are preferred.
- Measure Jaw Width: Ensure the clamp is wide enough to bite into the entire thickness of the block.
Taking these factors into account ensures the tools support the art rather than hindering it. Always test the pressure on a scrap piece of watercolor paper if unsure about potential surface marking.
Spring vs. Binder Clamps: Which Style is Better?
Spring clamps are generally superior for heavy-duty, long-term security. They offer a constant, uniform tension that is less likely to slip or shift as the paper expands and contracts during the drying process.
Binder clips, conversely, are excellent for quick fixes or securing thinner materials. They are smaller and easier to pack, making them the superior choice for field sketches rather than elaborate studio pieces.
Think of spring clamps as a circular needle cable—dependable and strong for larger projects—and binder clips as a set of stitch markers—useful, small, and versatile for quick adjustments. The choice depends entirely on the scale and intensity of the painting project.
How to Stop Clamps from Damaging Your Paper
Pressure marks are a common issue when using metal clamps on high-quality paper. To prevent this, simply layer a small scrap of cardboard or thick felt between the clamp and the watercolor block.
This small buffer distributes the force across a larger surface area. It is a simple, effective hack that mimics the use of point protectors on needles to prevent stitches from sliding off or the tips from damaging delicate projects.
Keeping the clamping area clean is equally important. Any grit caught in the clamp’s jaw can act like sandpaper, potentially tearing the paper’s delicate surface coating over time.
Are Clamps Really Needed for Watercolor Blocks?
Strictly speaking, professional watercolor blocks are glue-bound on all four sides to prevent buckling. However, as the paper is saturated and dries, the bond can sometimes weaken, or the edges may start to curl.
Clamps serve as an insurance policy, ensuring the block remains flat until the very last drop of paint is dry. They are especially beneficial for artists who push the limits of their paper with heavy water techniques or multiple wash layers.
While not mandatory for every project, they are a wise investment for artists aiming for archival quality. Just as good tools facilitate better knitting, the right clamps ensure the paper remains a pristine surface for creative expression.
Art is a process of managing materials, and the right tools make that process more enjoyable and reliable. Whether choosing heavy-duty spring clamps for stability or gentle plastic options for portability, selecting the right support will keep the workspace efficient and the projects professional. Explore the options and choose what best fits the rhythm and style of the work.
