In the pictures below I show how you can use a shower comb from the dollar store to do some effective stretching/warm up stretches, the pictures only show stretching the base but I use it all along the shaft and from any direction.
Finally it has been released to you all :) this baby has helped me go from 8-8.3 inches erect length recently and is based on blue_whales mother of all lig stretch.
I can honestly say hand on heart I have never felt anything this intense on my ligaments EVER and thats incl hanging, dld...