These are measured double: a shoe, knee breeches, pants, a hat, and a hollow belt. [Regarding] a patch that is attached to the border: If it is unfolded, it is measured [while it is] unfolded; if doubled, it is measured [while it is] doubled.

[If] a piece of] cloth that was woven [to the size] of three [handbreadths] by three [handbreadths] contracted midras tumah, and [subsequently] one finished the whole [piece of] cloth, and afterward one thread was removed from the original [piece of cloth], it becomes tahor from midras [tumah]; but it is tamei [due to] contact with a midras. [If] one thread was removed from the original [cloth] and subsequently one finished the whole [piece of] cloth, it is tamei [due to] contact with midras [tumah].