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You put toilet tissue up your sleeve for a while. Then put it in the hamster's cage so they get used to your scent. You can also tear it into strips so they can build a nest with it.

It is often used with new/nervous hamsters.

Is the lid noisy when being taken off the detolf. If so try to find a way to make it less noisy.

What cage was the hamster in before.? Hands coming from the top often scare a hamster. You could try putting your hand in away from the hamster then move towards them or just let the hamster come towards your hand.