Originally Posted by
Suze9395
What is IDT?
Can't recall what it stands for. It's a built-in walking foot that you can engage or disengage at your choice. It helps transport all layers of a project at the same speed/time. Makes a big difference in quilting and in matching patterns between layers of fabric (plaids, stripes, etc). It is really the only thing I miss on my non-Pfaff machine.