tool
            Type holder (bookbinder)
            Tool the bookbinder uses to decorate and gild leather-bound books. It 
consists of a metal - often copper - elongated (approx. 10-12 cm long; 
approx. 1 cm wide) holder, fixed in a wooden handle. Blocks with letters 
can be placed in the holder, which can be clamped by a screw. After 
heating, the letters are stamped into the (gilded) leather, in order to 
obtain the desired word. Some models are adjustable for different letter 
heights (1). See also the bookbinder's pallet. [MOT] (1) This is because 
letters for the letterpress are not always of the same height as handprint 
type (KIEL & LOBLER: 105).