ILF stands for International Limb Fitting system. It ensures ILF risers (bow handles) and ILF limbs are compatible across brands.
The install of an ILF limb on an ILF riser is a little bit different to a take-down bow with a bolt system. Mistakes can lead to costly damage and injuries.
Jamie from Archery Park NZ shows you in a short clip, without any nonsense, what you need to look out for.