The Infinite Armor Lock glitch is a glitch that can be performed in Halo: Reach. It can be done solo, or in a group, in Forge, and creates an armor lock effect on the user(s) while still allowing them to move, shoot, use other armor abilities, etc. The player is still vulnerable to assassinations, environmental damage (kill balls, drowning, etc.) and EMP bursts. If the player gets in an open vehicle like a Warthog, Mongoose, or a turret, the armor lock effect will be visible to the affected player.

Requirements
At least one player.
Armor lock (not from loadout).

Tutorial

Person A should place Armor lock on ground, and pick it up.

Person A should activate it, and immediately go into monitor mode.

Person A should spawn another armor lock, and use the DELETE ALL function.

When Person A returns to player mode, they will be invincible until death.

Trivia
If you are assassinated while the glitch is in effect, you will get the Rejection medal and not lose any shields, but you will still die afterwards.
You can use Armor Abilities while doing the glitch, but if you use Armor Lock, it stops the glitch.