You can inject it in your ring piece if you want but it certainly won't help with site improvement if that is the reason. I imagine it would cause a great deal of soreness nad increase chances of hitting a vein.
i do it ,5 ml in my right calve and ,5 ml in left calf its painful loool
but i like it i want to try agin with 1 ml in right calve and ,5 ml in left calf
i also injection my self in same day into forearm dont try it its painful more that calf my dosages ,5ml in right hand and ,5 ml in left hand