Hello Everybody First of all, I am a "young" man (77 years old...) and after my retirement, I am a dedicate scratch man...first modelling Half Hulls about submarines and other ships...Now I building slingshot crossbows like these... http://2.bp.blogspot.com/-VAe5ZZW1YV0/Ux3ZsrCsVdI/AAAAAAAAI_A/JpCSC...