The functions of J Cups in exercise activities
The J Cup is a weightlifting accessory that attaches to most barbells. The "J" in the name comes from its shape, which resembles the letter J. It sits near the armpit of your body
The J Cup is a weightlifting accessory that attaches to most barbells. The "J" in the name comes from its shape, which resembles the letter J. It sits near the armpit of your body
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