just played a game with a friend and we saw that actually Blitz's grabs are stooped by walls and grass. So if you try to hook someone over/through a wall the enemy plops against the wall and the hook stops. I guess that's wrong.
Is there something you really can't do without in the client? Is Udyr displaying as a Picasso painting again? This is the place to report bugs and give suggestions for League of Legends in general!
Don't spam your suggestions or bug reports here, and follow the [Universal Rules](http://boards.euw.leagueoflegends.com/en/c/announcements-en/3eWpXbJi). While not every suggestion here will be implemented, your favourites can be voted to the top for maximum visibility!