An old woman walks into a sex shop...

An old woman walks into a sex shop, shaking.

"Sir", she asks in a shaky voice,"do you sell vibrators?"

"Yes,ma'am."

"And are they this big around and this long?" she asks in a shaky voice.

"Yes,ma'am."

"And they're $22.95?" she asks in a shaky voice.

"Yes,ma'am."

"How do you turn them off?"