"Barreling, to the pull side and not getting hook-spin he gets a lot of, at times. It was impressive, the other coach kept raising his eyebrows." - Rusty Mcnamara, Hitting Coach; University Of Hawaii, USA.
"My forearms and hands are free to move, while stopping my elbows from flying around." - Boston Renegades, Beep-Ball; USA.
I have identified your hitting trainer as the best for proper upper-body swing mechanics. - Howard Nakagama, Scout, Chicago White Sox ; USA.