how did they get WW2 B 24s to stop when the hydraulics were shot out, and the brakes wouldn't work? Here's two effective methods

Using parachutes to help stop a bomber with its hydraulics shot out was frowned apon by the 8th Air Force because it quite often resulted in even more damage to the aircraft or even cause it to crash. The crews would strap the chute to the gun mounts in the waist section.

https://www.flickr.com/photos/dougsheley/4695433534/

Buzz Job, 741st BS, Landed with no hydraulics after a mission to Budapest

B 24 crew used parachutes to help slow their plane on landing after the hydraulic system was shot out by flak over the Ferrara railroad bridge in Northern Italy.

https://www.flickr.com/photos/dougsheley/page41