here is how u increase ur penis size.i hink this work coz me n my bro are 17and 15 but we have 7 inches and yes we are asian.you shud masturbate with two hands.you join ur fingers togather and add lubes or shampoo to make it slippery.it works coz two hands create greater force which pulls and makes ur cell multiple faster U shud try it is more pleasere and makes ur penis longer.hope it helps