'The Valor Fitness ABS-7 Ab Sling serves as a unique alternative to common abdominal exercise equipment, such as an ab crunch machine or sit up pad, that you simply loop around a pull up bar or rack.See also:
'The Valor Fitness ABS-7 Ab Sling serves as a unique alternative to common abdominal exercise equipment, such as an ab crunch machine or sit up pad, that you simply loop around a pull up bar or rack.See also:
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