Practice Server Config
Create a private match with bots, open the console (~) and paste this config to train lineups with unlimited grenades, trajectory preview and impact markers.
sv_cheats 1; sv_infinite_ammo 1; mp_startmoney 60000; mp_buytime 9999; mp_buy_anywhere 1; ammo_grenade_limit_total 5; mp_warmup_end; mp_freezetime 0; mp_restartgame 1; sv_grenade_trajectory_prac_pipreview 1; sv_grenade_trajectory_prac_trailtime 10; sv_showimpacts 1;