The idiom "Bend the rules" means, according to a dictionary: "To do something or to allow someone to do something which is not usually allowed". It is also known as "Stretch the rules".
>Does the whole sentence look like "How to bend those food safety rules while camping? Yes, this is the sentence, but I still don't understand. Could you give me more explanation?
When you bend the rules you change them a little, especially in a good way and when it is necessary. Or when you add a small exclusion to a rule. There is an example here, imagine: In a shop there is a rule: "The seller does not sell the last donut". But you are too hungry and asking the seller to 'bend the rule" and sell the last donut. The seller is a good man and he sells the donut to your