NOT for competition (unless you want to kill a judge if it slips :P )
NOT for delicate hands.
NOT for or picky people. (Is a limited edition project that is not intended to adjust the weight of the rings to be dead smooth, but to have the max weight without hurting the hands on a strong throw)
NOT for beginners.
ONLY for the toughest throwers that seek extreme fun.
DISCLAIMER: Throw it at your own risk. Sengoku assumes you are experienced enough to have an idea on what to expect from a 90+ grams yoyo.
Aluminum 7075 + SS rings
Bearings: Terrapin Delta