INVALID ALUMINIUM ARM SUPPORT FOLDINGIt provides support while sitting and getting up, and is useful for persons having knee problems. Invalid Aluminium Arm Support Folding by Pedder Johnson. It provides support while sitting and getting up, and is useful for persons having knee problems. It enables people to get up & sit down on their own by using own arm strength. It can be folded up against the wall and locked when not in use. Country of Origin: India