It's two=legged operation.
- Claim accounts and spend your RCs.
These accounts are saved into your account and you can use them anytime.
(https://steemdocs.net/platform/operations/claim_account.html)
- You create the account and spend from your claimed accounts balance.
They're not named, of course. People choose their usernames.
Collecting the discounted tokens in a pool is not possible on-chain. They're not transferrable.
yall know bout @pharesim and his https://steeminvite.com
ofc. Its a great solution :)