How to pronounce /æ/ in English

The /æ/ sound is a near-low, relaxed, front vowel.

Jaw
Open your mouth wide.
Tongue
Relax your tongue, flatten it, place it low in your mouth, and push it forward.
Lips
Stretch your lips slightly and keep them relaxed.

Note: The tip of your tongue can also be placed just behind your bottom front teeth.

Example words

/æ/: drop your jaw lower than for /ɛ/, spread your lips, keep the tongue flat at the front.
Start from the /ɛ/ of "bed", then open your jaw wider.

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