Yes, a bit odd !
A bigger fur, (or real hair or touch), for example, would touch A LOT more skin
and produce a MUCH bigger amount of KNISMESIS, & therefore endorphins.
Enter that word, knismesis, in the Search Box here to find my previous
post/s on a crucial and fascinating subject.
Meanwhile . . .
another way to produce MASSIVE knismesis . . .
(https://www.xvideos.com/video18644737/lesbian_hair_play_2)