I found a new way to get under the map on the shooting range, from there you can get inside the cell and other rooms, just like before. https://reddit.com/link/w8kt9n/video/7q3nrrwh8xd91/player

Im new yo the game and ive been watching how to boost with raze satchel but the problem is with my second satchel. Idk but instead giving me a boost it just make me go up in the air. Any tips on how to master it ?