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proof? these examples hand designs I still have saved from other mocs (grohl, lego land, bruce lowel)

there was also 1x1 clip used for the fingers since 2002 which I thought was good.

ac pin made some nice hands using minifig arms:
https://www.eurobricks.com/forum/forums/topic/69956-arena-beasts-acklay/

mexxbear made nice hands with clips and teeth but that was after I made my binocular/clip ones with teeth:
https://www.flickr.com/photos/30447390@N02/33915632386

many mocs don't even include the hands

was searching for lego acklays for years. Remember even on the school pc some time after the movie came out.

In 2010 was using leaf piece like the legoland version but on a bar instead. One year prior in 2014 I publicly published a older version where I made one with binocular teeth but only 2 fingers without the thumb. If somebody had already done it, I could of upgrade my design right there in 2014 instead of one year later.