Be sure that your students can perform hand rolls with both hands first. Once they have the proper skillset, change up the angle a bit to spice up the double finger roll.
XMA | Kamas | Weapons | Extreme | Spin | Manipulation | Tricks
This manipulation will be used often in creative and extreme combos. It shows great speed and will help transition to a variety of spins or cuts.
XMA | Kamas | Weapons | Extreme | Tricks | Spin | Transition | Speed
This spin is very similar to the palm-up sideways finger roll, but is made a bit more difficult because now you are working against gravity.
XMA | Kamas | Weapons | Extreme | Spin | Tricks | Manipulation