Yes the 1st time it was a nick the 2nd wasn't I had my thumb on the ruler -fingers on the fabric Yep cut the web couldn't be stitched they taped my thumb to my index finger with yards of tape and tell me DON"T get it wet or use the afflicted area I am right handed I didn't miss washing dishes --Bathing myself was a challenge I think all my furniture has dents from vaccuuming left handed Since then I've been extra careful now its only my nails so I figure they must have needed clipped anyways