Specialize in Cognitive Youth Development w/ an assist from perfectstancehittingmats Best tool on the market!! Go get one now. Full Hallocks Hitting Garage lesson with JP (5 yrs old) Ends with freeze pops and topps baseball cards. sluggerscience v1sports stotterclinic _lerexpo_ lowerextremity mlbnetwork #sandlottotheshow #cognitivedevelopment #baseball #hittingdrills #coach #instructor