As Britain basks in a summer scorcher, beachgoers and park revellers are taking advantage of the relentless sunshine to indulge in idyllic picnics. However, not everyone comes prepared with a cooling strategy for their beverages.

Fear not, a refreshing glass of wine or a cool drink under the sun needn’t be a pipedream. A brilliant Instagram tip has surfaced from the account Cocktails, showcasing how a budget-friendly hack using only ice, salt, and a mere 20 minutes can chill your drinks…