How do I solve 3 down in Daily Telegraph Cryptic 31240?

Question

Accepted Answer

3 down reads "Maybe one refusing beer that reduces wind internally?" (7,8 letters); the answer is DRAUGHT EXCLUDER. It's a double-definition clue: two separate definitions of the same word sit side by side. No wordplay split and no indicators — both halves of the clue define the answer. The full step-by-step breakdown is on this page.

Maybe one refusing beer that reduces wind internally? (7,8)

3D — Maybe one refusing beer that reduces wind internally? (7,8) — DRAUGHT EXCLUDER