Any items that are normally attached to clothing, such as buttons and pockets, are considered part of the clothing and secondary to the person’s body. Thus there is no prohibition of carrying them. Even though carrying buttons or pouches would be a violation of Hotza’ah, the buttons and pockets that are normally attached to clothing are part of the garment and secondary to it. Manufacturer’s tags are also considered part of the clothing and secondary to it. One may also wear a coat with a hood, even when the hood is not actually being worn but is hanging down behind the person; even though he has no intention of putting it on, the hood is still considered part of the coat. Items attached to clothing for decorative purposes, like buttons on the cuffs of a suit or feathers attached to a hat or another garment, are also considered part of the garment.
Sometimes, extra buttons are sewn into a garment in a hidden area, to be used as replacements in case one loses a button. These buttons are not used to fasten or decorate the garment. Some maintain that since these buttons are not in current use yet are significant, one may not go out with them to a reshut ha-rabim (Ĥayei Adam 56:3). According to most poskim, however, one may go out with them. Since it is standard for these buttons to be attached to an item of clothing, they are considered a part of it and secondary to it. The same debate pertains to a ripped hanging loop, which is sewn into a coat or jacket to allow it to be easily hung up. Normally, the loop is attached and functional like a regular button. However, if one side of the loop rips, it is not in current use. The strict position would say that that it remains significant, and thus one may not go out with such a coat to a reshut ha-rabim. The lenient position would respond that regardless whether one intends to fix the loop, it is not considered significant, and remains secondary to the coat. Thus, one may wear the coat in a reshut ha-rabim. Since the disagreement here relates to a rabbinic prohibition, the halakha follows the lenient position.