When you do hold your thumb over the end and aim for a point about three inches below the surface.
I hold my thumb and forefinger about an inch apart.
"He just stood there holding his thumb in place," Gann said.
Toni answered by holding her thumb up where Patricia could see it.
She held her thumb and forefinger half an inch apart.
He held his thumb and index finger nearly two inches apart.
By holding his thumb over the bottom hole he could also use it for a bailing can.
He held his thumb and forefinger together, counting out the words.
He pointed at Hood and held his thumb up, then down.
He held his thumb between the pages to mark Colleen's place and read the back cover.