devices may be functional with the removable auxiliary cargo compartment for example the removable auxiliary cargo compartment 602 may be configured with a plurality of air bladders designed for flotation assistance for the canine in this case thoracic and lumbar straps may be configured with a device for providing additional security of the removable auxiliary cargo compartments in place when mounted on the straps additionally each cargo compartment 602 may detachably couple to an opposite cargo compartment and adjacent cargo compartment and the sternal shield for additional security for example in a flotation embodiment an owner may couple two oppositely placed cargo compartments 602 to each other in this configuration each of the oppositely placed cargo compartments may be configured to detachably couple to the other via an additional strap and buckle routed between the sternal shield and the canine here the additional strap and buckle keeps the flotation cargo compartments in place for a balanced buoyant force in embodiments cargo compartment 602 may detachably couple to the sternal shield 104 for example a zipper configuration hook and loop fasteners and the like may detachably couple cargo compartment to the sternal shield specific blocks sections devices functions processes and modules may have been set forth however a skilled technologist will realize that there are many ways to partition the method and system and that there are many parts components processes modules or functions that may be substituted for those listed above while the above detailed description has shown described and pointed out the fundamental novel features of the invention as applied to various embodiments it will be understood that various omissions and substitutions and changes in the.