Type of gear on which the letters in this puzzle's nine theme squares are arrayed

Question:

Answer:

BASEBALLCAP

Length:

Similar Crossword Questions:

Type of payment relevant to this puzzle's theme
Welcome mat spot (our puzzle title hints at the theme revealed by the pattern of circled squares)
This puzzle's theme, whose first notes are indicated by shaded squares
The pairs of letters inserted into each of this puzzle's theme answers, for example
Office building problem that's a hint to this puzzle's theme entries (see their last three letters)
Letters featured in this puzzle's theme
Second letters of this puzzle's five theme answers (seen in order)
"Home work" letters that appear at both ends of this puzzle's theme answers
Gym gear hidden in this puzzle's theme entries
First of a pair of letters swapped six times in this puzzle's theme entries
Second of a pair of letters swapped six times in this puzzle's theme entries
Wintry mix revealed in the circled letters (it's the puzzle theme!)
Voice type that figures into this puzzle's theme
Internet letters, and a hint to this puzzle's theme
Period that ends Nov. 3rd, requiring a shift, and letters that shift in this puzzle's theme entries
Modern type of data network, and this puzzle's theme
Letters for the names "buried" in this puzzle's theme answers
Make of six models that are subject to recall ... and being sent back inside this puzzle's theme entries
Angle (and a three-word hint to this puzzle's theme)
Easy, and what this puzzle's theme answers literally are
Beats for this puzzle's theme
Backwards, and key to this puzzle's theme
Scientist whose theory leads to the wordplay in this puzzle's theme
1990 Roscoe Mitchell album (and this puzzle's theme)
The ammo theme of this puzzle