Coles self checkout coin ‘hack’ you should be avoiding. A Coles shopper who shared a self-serve checkout “hack” has gone viral on TikTok – but supermarkets have warned against the act.

It then reveals: "How you should do it' and the coin flap is lifted up to reveal a far larger hole hidden underneath where the customer is able to throw in entire handfuls of coins in one go ...

But it then states: "How you should do it' and the coin flap is lifted up to reveal a far larger hole hidden underneath where the customer is able to throw in entire handfuls of coins in one go." ...

Why you shouldn’t try the TikTok self-serve coin hack. A TikTok video which has been viewed almost a million times has caused a stir online with Woolies staff begging customers not to do it.

A woman dumping a handful of coins in a self-service machine has gone viral on TikTok — but supermarkets have warned against it. Read Today's Paper Tributes. Rewards. Subscribe for $4.

But it then states: 'How you should do it' and the coin flap is lifted up to reveal a far larger hole hidden underneath where the customer is able to throw in entire handfuls of coins in one go.