same here Chuck ; but when you disable like I am , you need to do it the easy way.
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. I take the deer and tie a rope around the head or horns,get into the bed of truck,pull the head and shoulders as high as I can. tie it off to cleat,get out and take back feet and lift them up and tie to the other side. them just get behind the back and just roll it up and over.

I can only lift about 50 lbs. so , if I can do it that way ; anyone can.some times my wife helps hold the rope so I don't have to tie it.
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as someone said,use you head , not you back.