Okla. Stat. tit. 22, § 22-271: Sureties may be required for witness

When the magistrate is satisfied, by proof on oath, that there

is reason to believe that any such witness will not appear and

testify, unless security be required, he may order the witness to

enter into a written undertaking, with such sureties and in such sum

as he may deem proper, for his appearance, as specified in the last

section.