Grind House Grove Park has been planning on installing one of these as our flagship piece of equipment. They're readily available on Craigslist and a good bit cheaper than Olympic weights... I'm sure they're just as effective. Did you see those resistance crunches??? Amazing design.
Grind House Grove Park has been planning on installing one of these as our flagship piece of equipment. They're readily available on Craigslist and a good bit cheaper than Olympic weights... I'm sure they're just as effective. Did you see those resistance crunches??? Amazing design.
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