These optional removable shoulder straps attach to the BioHarness chest strap. Addition of the shoulder straps allows for a more secure fit of the chest strap for very active subjects or those who wear
specialized outerwear which may make adjustment of chest strap position difficult. The shoulder straps are attached at the front by plastic clips and pass through an elasticized loop at the back.
Shoulder straps do not affect chest strap functionality.
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