Dennis lower key Waving through a window / new mixed warmup

https://www.youtube.com/watch?v=2znPz_iMzGM - waving through a window ///////// https://www.youtube.com/watch?v=ZpeVTtLusgo -mixed warmup part 1//////// https://www.youtube.com/watch?v=ZiQRmV-Cdaw&t=4s- mixed warmup part 2 ///////