I'll look into that. So I could add water or something?
I'll look into that. So I could add water or something?
Water, sand, or dirt if you're really pressed for filler. For my home gym I'm using super high grade play sand but I'm never going to empty them completely, maybe just tweak the fill line. They also make fillable duffle bags if you're looking for big numbers.
Water, sand, or dirt if you're really pressed for filler. For my home gym I'm using super high grade play sand but I'm never going to empty them completely, maybe just tweak the fill line. They also make fillable duffle bags if you're looking for big numbers.
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