QuadLock Finger Loop v4.1

This is an upgraded v2 version: https://makerworld.com/en/models/771500?from=search#profileId-707440 This one is 360 degrees rotatable and finger loop is printed in place, so it's more sturdy than v2. Assembly: press the upper part evenly on base wheel until it clicks. Push the lock pin, until it goes all the way in - it's a tight fit, so You must use a lot of force. Usage tips: turn the finger loop back and forth until You work it out to move without friction. The same goes with upper p