Use mel to create a FK circle control

When we about to create Fk Controls on the fingers ,It`s kinda messy . so here comes a convenient Mel to help you solve the problem. And I will Show you How it works. Step by step. ^_^ you can also change the command by yourself. for example: add another button for create a pointConstraint on the joint. or add a button to lock the channel. free your mind,do whatever you want. here it comes: Mel in the Comments