Abstract: A palm-back support (201) is disclosed, for supporting a tool (207), (211) on the back-side of a user's palm. The palm-back support comprises (i) at least one finger loop member (202) configured to be worn on at least one of non-thumb user's fingers; (ii) a wrist strap (203) configured for wrapping at least partially a user's wrist; (iii) a support member (201) attachable to the backside of the user's palm by means of the finger loops (202) and the wrist strap (203) such that the user's palm (i.e. its inner side which is not shown in the Figs.) remains exposed, free of attaching elements in its entirety from the wrist to the base of the fingers. A tool attachable to or constituting a part of the palm-back support is also disclosed.