If I was only concerned with what my cantrip looked like, I would just describe it that way in-game.
What I think is missing with RAW right now is that EB is so easy to use as a player. With a well conceived arcane focus and using its long range, you can flavor yourself as all the fictional...
My DM is hoping online opinion will make this not a broken heap.
Pact of the Glove
Your patron gives you a glove or pair of gloves or similar hand covering. The glove is treated as a spellcasting focus for your warlock spells.
You learn the Chill Touch and Mage Hand cantrips. These don't count...