How it works
You sign an unshield to the Bilinear Pairings with the sale terms bound in the signature. The Bilinear Pairings submits it, sells the SECR on the market and sends ETH to the address you choose. Because the terms are bound, nobody can change the destination or the minimum price.
Choosing a destination
Sending the ETH to a fresh wallet keeps the sale from being linked to your main address. Sending it to your main wallet is simpler but links that stealth address to you.