Davi Ramos

Palhares is not the only leg/foot lock monster.

Here is his match against Kayron Gracie:
http://igrapple.org/blog/they-both-seem-to-know-only-legfoot-attacks

Then there is Reilly Bodycomb:
http://igrapple.org/blog/heelhook-nightmares-deux

And we cannot forget Masakazu Imanari:
http://igrapple.org/blog/masakazu-imanari-shows-leglocks