They WILL pull your string and the fight can last a while when you get a big one one. I catch alot of them in the Chicago River and Lake Michigan. A few years ago ,I was fishing in downtown Chicago, on the river, and I hooked a 22 pounder(had a scale w/ me) on a grub, 30 people were on a bridge overlooking the river and watched me land it. The applause was loud!! THAT was FUN!! (I also hooked a goose when it swam across my line before I could reel it all the way in. MAN WHAT A RUCKUS!! He was fine when I cooked him...(naw, I let him go). About 3 months ago, I was bass fishing in the river,and pulled my full/large size black Strike King'WILD THANG" over a branch,and ......WHAMMO!! I set the hook, it takes off like a rocket, then jumps out of the water. Thaaaaaat's when I found out a 12 pound carp had HAMMERED that wild thang.A great fight. It ATE the bait(there are ALOT of BIG crawdads in the river) and the 4/0 Gami EWG, not just snagged it. I do have a picture,but,unless you all BEG me to post it, I won't!! LOL ... I would have preferred a 12 pound bass though...... Set the hook RFN!- ALEX