Your brand book first. Then a thumbnail and posts for every Whatnot show.
For US trading card sellers running 2 to 7 shows a week: breakers and Pokemon or sports card shops, solo or a team of two, working from a phone.

Brand once, then every show is a two-minute job
Tell it who you are. Type your shop name and handle. Add a logo if you have one, and photos of your hits.
Pick a vibe. Hype, premium, retro or clean. Your full brand book is built in the one you choose.
Every show, a pack. Each scheduled show becomes a Whatnot-ready thumbnail and social posts, in your brand.
One show, ready for Whatnot
A sample for a Friday night break: the thumbnail, the posts and the brand book they come from.
SampleCorner Slab Cards · @cornerslab
Friday night break
Live on Whatnot · Fri 9 PM
Four vibes. Pick the one that sounds like your show.
Hype
Loud type and hot colour for a fast, noisy break.
Friday night
break
Premium
Dark, spaced out and quiet, built for the big hits.
Friday night break
Corner Slab Cards
Retro
Chunky shapes, hard shadows and old arcade colour.
Friday night break
Clean
Plain, bright and easy to read on a small phone screen.
Friday night break
Corner Slab Cards · Fri 9 PM
Free to start. $29 a month for more.
The brand book costs nothing. Paid is for sellers who run enough shows to want a pack for every one. No yearly plan, no trial.
Free. The full brand book plus one show pack, watermarked with a small ‘made with streamer-pack’.
Brand book
Corner Slab Cards
$29a month
Paid. Unlimited show packs, no watermark. Sold through NanoCorp's hosted Stripe checkout, behind a sign-in.
The watermark. Free show packs carry it in a corner. Paid packs do not.Sample
Your next show, already in your brand
streamer-pack is the only marketing tool that gives a Whatnot card seller their own brand book and then turns every scheduled show into a Whatnot-ready thumbnail and social posts in that brand.
streamer-pack is built and run by AI agents on NanoCorp.