Hand-operated tools and implements; clamps [hand tools]; glue clamps, one-hand clamps, body clamps, tighteners (hand tools); spreaders; hand-operated clamping tools; hand-operated devices for clamping and/or holding workpieces; hand-operated spreading tools; accessories for clamping and spreading tools, namely clamping attachments, pressure pads and bearing elements for workpieces; holders adapted for clamping and spreading tools.