Please help, Clutch woes :(

Hoping someone can help me solve my problem. I have already taken it to one mechanic and he has bled it, but this hasn't fixed the problem.

When driving normally all is fine , no slip and normal bite. However, when driving "harder" the clutch has an annoying habit of getting stuck to the floor. I then have to lift it up using my foot, and then all is back to normal again!

What could this be? anyone else experienced this?

Any help would be amazing.

J

Cheers Vex for the feedback, is this something you have come across before? Do you know of an easy way to check spring?

Anyone else got any ideas? experienced this before?