Adidas merckx shoes - is fitting look cleats possible?

I have a pair of the olds Adidas Merckx cycling shoes, they had toe-clips cleats on them originally.

I took the old cleats off to see if there was any way of fitting some look cleats. The soles are drilled for them, but have no plate to screw into, nor does there seem to be a way to get a plate in (the soles are stuff, wooden looking things that are sealed in.

Does anyone know if there's a way round this? It seems strand that they're drilled for cleats yet there's no way of fitting them.

Here's some pics of them:

Also, here's a site I found where somebody mentions 'doing the look conversion', so there must be some way...?

http://prollyisnotprobably.com/2010/02/nos_eddy_merckx_adidas_cycling.php

Any help would be awesome, really want to use them but don't really wanna ride with toe clip cleats.