Unstepping Of Mast

Can you elucidate please ?? Mine is top heavy and we lift with a hand winched mast crane at my club...I cannot visualise what you mean.....
 
I achieved a similar result by having lifitng rop attached by the strop under the spreaders, and then further up taking a half hitch with the lifting rope around the mast, about 3/4 of the way up.
 
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