By default, when shooting with CSGO, players can see the highlight effect of ballistic neutron bombs, that is, tracer bombs (some players also call them towed bombs), and this shooting effect can be turned on/off by console command. First, you need to open the console function, go to Games-Settings-Game Settings-Games-Enable Developer Console (~), select Yes, and then press the ~ key (below ESC) to open the console function. Then enter the map, press ~ to open the console, enter the command r _ draw tracers _ first person1enter, and the special effects will be opened.