Don't mess with gramma:

Two thieves who tried to rob two elderly women in the Lithuanian city of Klaipeda, thinking they were easy prey, got more than they bargained for when the older of the two victims, aged 93, valiantly defended herself.
...
"I did what I could," Popova told Lithuanian daily Lietuvos Rytas.

'What she could' involved grabbing the thief -- who at 25 was almost one-quarter her age -- by the family jewels and squeezing as hard as she could.

"I pressed as hard as I could and he squealed like an animal," said Popova, who in her younger years worked as a washer-up in the canteen of a military hospital.

Crone claw apparently being more powerful than kung-fu grip.