I personally love the Yoffy… it’s like some Duncan exec saw Mork from Ork on the old 80s show Mork & Mindy… where they popularized rainbow suspenders…
… and said we just gotta make a yo-yo using those rainbow suspender fabrics the kids love these days!
https://forums.yoyoexpert.com/t/failed-duncan-butterfly-mod/18858/11
@dryoyo you still throw that thing?? 
https://www.youtube.com/watch?v=EIsOcd5UIkw
Clearly @drewtetz does