Originally Posted by Cossack

My point was that ANYTHING on string and limbs affect speed. Judging by some of the comments here and elsewhere 8-10 fps is a big deal to some folks. So, if they don't affect noise level, only vibration, and string stoppers do the same thing without affecting speed-plus provide insurance in case of dryfire-why not use them?
The multiple spider comment dramatizes the affect of things on string/cables. Glad you're happy using 'em. Chill. I just posted MY opinion; like, everyone has a bellybutton.