
This is an excellent quilting ruler. I don't find it slips a lot around. Remember, this is a flat-tipped triangle, not a pointed one. As long as you know this, you're fine. I just cut an extra 1/4" off my strip to make the 1/4" -To account for lace that isn't there.but I find it very easy to sew triangles with a flat tip.I love this line!

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