"The Stack Speed Training System"

	"The Stack Speed Training System"
	"The Stack"
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"The Stack System is the complete system for biohacking your clubhead speed.Highly engineered training club - Adult (41.5"") or Junior (38.5"") version5 CNC milled Stack weights enable 30 weight combinations between 0g and 300gDual-purpose weight case / phone stand2-year access to The Stack App. It’s like having a personal trainer in your pocketDynamic programming from Dr. Sasho MacKenzie, Golf’s foremost biomechanistSpeed radar not included."