It’s hard to look as if you have a third leg when your actual

My third leg is craving some tight holes to fill

Letting my third leg take the wheel

Taste of my third leg

it’s literally like a third leg (18)

Is it a third leg?

Come and play with my third leg.

Third Leg

Third leg

That's a whole third leg ;)

I hide my third leg pretty well, but I know some better places

19 with a third leg?