When you tried to attach your canvas to the side of the boat, you found that almost all your snaps were missing or defective. As a result, you are now in search of a canvas snap tool. This is an ingenious device that helps to securely attach the male and female ends of snaps in sturdy canvas. You cannot stitch such snaps in place. They must be pressed, so that the snap folds over the canvas edge and itself to lock. A snap fastener tool makes it easy to attach snaps because it works just like a vice grip to hold the snap piece itself in place, and then helps you apply the right amount of pressure to secure everything together. You can hire someone who has his or her own snap installation tool, but this is often expensive and time-consuming. In this case, it just makes more sense to do the job yourself. Within the vast inventory on eBay, you can find just the canvas snap tool that you need to add to your maintenance kit. Do not forget to stock up on extra snaps, too.