Hello! I made a video detailing blocking and dewarding Neutrals! You can do this easily too, just follow the steps at the start to make it go faster.
Here are timestamps for each camp if you want to use this as a reference in the future.
00:00 How to test for block spots yourself 02:00 Basics of blocking camps wth wards and bodies 10:05 Showing marks on ground for typical ranges 11:12 Dire Small Pull Camp block/unblock and reasons to block/unblock 18:45 Radiant Small Pull Camp block/unblock 24:20 Warding Mind games on Radiant pull camp 26:12 Radiant Ancients Block/Unblock 31:38 Dire Ancients Block/Unblock 35:55 Radiant left Large camp block/unblock 36:37 Radiant Left Medium Camp block/unblock 40:35 Radiant Middle Large Camp block/unblock 45:09 Radiant Right Medium Camp block/unblock 48:13 Dire Right Large Camp block/unblock 53:41 Dire North Medium Camp block/unblock 56:48 Dire South Medium Camp block/unblock 59:15 Dire Left Large Camp block/unblock