So grab a hold of your flaccid manhood on the head area and then pull it slightly in a forward direction until it is fully stretched to the maximum limit. Hold on to this stretch for up to fifteen seconds and then release your member. This is Grow extra inches considered one of the best natural male enhancement exercises because it is guaranteed to lengthen the size of your organ in no time. It is also recommended that you shake your member vigorously after you do the stretch in order to relax the muscles. You must make sure to also stretch on the left and right direction while doing this exercise in order for it to be even more effective. •..