Keep your straps conditioned, softened, and properly preserved from the sweat and abuse they put up with!
Rub 2 - 3 drops with a dry cloth onto your leather straps every 1 - 2 months.
0.5 oz bottles will last you a long time if used properly.
Do not use on suede leather <-- aka your High Top Wrist Wraps
Do not consume Onyx Oil!