add some more exploit fixes

readme.md

@@ -8,6 +8,33 @@ find mods that fix them on those loaders.
 
 ## Exploits
 
+### Armor stand lag machines
+
+Armor stands can be used to create lag machines. This is done by placing huge amounts of armor stands and forcing them
+to move via water, pistons or other means. This can be fixed by disabling armor stand tick and collision lookups. This
+will cause armor stands to not being able to be pushed or pulled (even by gravity).
+
+`paper-world-defaults.yml`
+```yaml
+entities:
+  armor-stands:
+    do-collision-entity-lookups: false
+    tick: false
+```
+
+### Collision lag machines
+
+This exploit is similar to the armor stand one, but instead of armor stands, it uses entities that can be pushed by
+other entities. This can be fixed by setting a smaller limit on how many entities can collide with a singular entity.
+You can set the max-entity-collisions to 2 to still have relatively natural behavior, or set it to 0 to completely
+disable collisions.
+
+`paper-world-defaults.yml`
+```yaml
+collisions:
+  max-entity-collisions: 2
+```
+
 ### Command spam
 
 While even spigot will protect you from this exploit, there's a slight oversight that will enable a single command to be