Some of the best practice I’ve ever had, and some of the most fun, has come from using loops. Here are two example:

Joe St. George of Owleater kills it on percussion:

Bonus points for Leah’s keyboard percussion and the Paul McCartney-style bass. The BOSS loop station (one pedal, two pedals, three pedals) is a great tool. I used both the double and triple-pedal and loved both. Upgraded to a Boomerang.