Based on the name provided, this appears to be a reference to the (LH Pipeline/Animation Tools) created by Luis Henrique (often associated with the "LH" prefix in the 3DS Max community).
: It is designed to be powerful enough for professional projects while remaining accessible for users who want to avoid manual, labor-intensive rigging tasks. Professional Perspective CG-Animation LH Tools For 3DS Max
The CG-Animation LH Tools are suitable for a wide range of professionals, including: Based on the name provided, this appears to