draught excluder

noun3

1. •
   A flexible strip attached to the bottom or side of a door to prevent draughts entering through the gap.

   • The sliding door, which is fitted with a drop light, is shrouded with bristle-type draught excluders. — 1954
2. •
   Any other object used to prevent draughts, such as a chimney balloon.
3. •
   (informal) A player deployed to lie behind the defensive wall at a free kick, to prevent a low shot going under the jumping wall.

   • Green thinks the biggest reason for that decrease is the recent use of a 'draught excluder', when a player lies behind the wall to prevent the ball going underneath it. — 2025