My daughter now a senior in HS young will graduate at 17 uses two bats for cage practice. She uses and older either LXT or or the Combat Portent. Both -8. She also has worked her way up to a 33/30 wood bat for her heavy. She switches machines. 75mph baseballs and 55 mph softballs. Off a tee she uses both bats two buckets with 33/25 and 2 buckets 33/30 baseball wood bat. Total of 10 buckets or about 120 swings.
Here is vid with the 33/30 in a cage 75mph baseballs. Video is slowed down