Originally Posted by
Scissor Queen
This is totally not a tension problem. You're moving the quilt sandwich too fast for the speed of the needle. Fast needle, slow hands.
I've also had this problem (still do sometimes). Mine also seems to be when I try going too fast so if I slow down and enjoy the process, it turns out so much better. I set my machine speed slower so I can just push the pedal down and the speed stays consistent.