A professional who presses caps or hats over heated hat blocks, by hand or with electric iron, to shape, smooth, or finish articles by any combination of following methods. Respnsibilities include:

• (1) Turns dial or handle on metal block to heat block and fits article over block.
• Presses, pulls, and rubs article by hand to smooth article.
• (2) Inserts parts of adjustable block into hat or cap and forces wedge between parts to expand parts to fill article.
• Places article on bed of steam chamber or holds article over steam jet to soften article.
• Presses article with electric iron before placing in heated drying box.
• May be designated according to hat blocked as Panama-Hat Blocker; Strawhat Blocker; or according to production stage as Trimming-Department Blocker.
• When performing final finishing operations in addition to blocking, such as brushing hats and clipping loose threads, may be known as set-off blocker.