They looked promising at the time wasn't sure for what. Now I know I use them for piecing together oilcloth.
The problem with oilcloth is if you use a pin the pin perforates the fabric but if you use these clips voila no holes! And they stay clipped even as you manipulate the fabric.
Action shot! The downside is they are not inexpensive but worth the cash for what it saves you in lack of aggravation and damage to the fabric.
It is also handy to have painters tape around to tape oilcloth to the surface you are working on if you don't want it to slip no sticky stuff.
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