Atlas Trainer
OutdoorsmansRecommendsLoads with standard Olympic plates in 2.5 lb or 5 lb increments
Ferriss lists this plate-loaded rucking frame among his favorite tools for training; not marked as sponsored.
“It uses standard Olympic-sized barbell plates”Tim Ferriss
Source: My Favorite Software, Supplements, Apps, Tools, and More! (newsletter, 13 Sept 2024)