How is interest on bearer debentures paid?

To the person who produces the interest coupon

Bearer debentures typically come with attached interest coupons. These coupons are usually detachable and represent the right to receive interest payments. Interest on bearer debentures is paid to the person who physically possesses or produces the interest coupon attached to such debentures. Bearer debentures do not have a registered owner, and ownership is determined by whoever holds the physical certificate or coupon at the time of the interest payment date.