My nephew lost a doe once to a shoulder blade hit. I tracked this deer one evening into the night and early the next day and finally found it only to watch it get up and limp away.[:@] He was using a muzzy also. Muzzys are advertised as being "Bad to the Bone", NOT "Bad Through The Bone". I think it's possible to shoot through the sholder blades it you want to crank your bow weight up high enough but for me I'll continue to use my mechanicals and take that broadside or quartering away shot 4 to 6 inches behind the shoulder.