Stéphane Wrembel - Additional, highly effective pick-hand training and warm-up exercises 

From Guitar World Holiday 2019
Wrembel On by Stéphane Wrembel
GETTING WARMER
Stéphane Wrembel continues with the warm-up exercises introduced in the previous column and offers two variations that have you moving across all six strings in a series of denser, accelerating rhythms.