Read Genesis 38:17 Using Other Translations
And he said, I will send thee a kid from the flock. And she said, Wilt thou give me a pledge, till thou send it?
He answered, "I will send you a young goat from the flock." And she said, "If you give me a pledge, until you send it--"
“I’ll send you a young goat from my flock,” Judah promised. “But what will you give me to guarantee that you will send the goat?” she asked.