In the middle of a dream i went lucid (dunno how) so i thought "WOOHOO!!! time to try some stuff out" so i went up to my bedroom mirror and started talking to my reflection (that was kinda funny) then i thought "how about i try goin through the window!" so i rested my fingers against the glass and sure enough they went through. so as i was going through i realised i had to concentrate alot. i pulled myself back into my room and tryed again. this time when my fingers were halfway through i lost concentration and the glass tightened around my fingers as it turned back to solid. i couldnt pull them out but i managed to in the end (it hurt )

(just as a side note my arm really ached when i woke up)

But i was just wondering, has this happened to anyone else before? the glass tightening thing? if not see if it works when you try it. its a really wierd sensation