From: New Castle, PA
"Pickle puller"? I give up , tell me more please...
has three or four 'fingers' that split apart when you pull back on the retaining ring - these then are placed around the nipple ( the entire clamp part ssticks straight out, like a nipple extension as it were. and when the retaining ring is released, the 'fingers' are compressed --- similar to a device used to pull pickles out of a jar - also kinda reminiscent of the old extend a grabbers, where you push on a button with your thumb and these metal 'fingers' come out the other end of the two foot long(ish) wrapped wire thingamabob.
Difficult to describe, but beautiful in application
Apply Usual Caveats Here
An expert is somone who has made all the mistakes there are to be made