Converse and Vans look good but are rubbish cos the sole units are so flexy I always get sore feet.
Anyway the toeclips aren't really there to top your feet sliding back and forward (from your comment about grippy pedals), its the benefit from having your foot locked on the up/down part of the pedal stroke so you can pull up with one foot whilst pushing down with the other. And think about pushing/pulling all the way round the pedal stroke and get spinning!
Converse and Vans look good but are rubbish cos the sole units are so flexy I always get sore feet.
Anyway the toeclips aren't really there to top your feet sliding back and forward (from your comment about grippy pedals), its the benefit from having your foot locked on the up/down part of the pedal stroke so you can pull up with one foot whilst pushing down with the other. And think about pushing/pulling all the way round the pedal stroke and get spinning!