May one use a door knocker on Shabbos?

May one use a door knocker on Shabbos?[1] Background-Making noise with an item on Shabbos: The sages prohibited one from sounding music on Shabbos, due to the crazy one way come to fix musical instruments.[2] Included in this prohibition is sounding any sound with the intent of making it into […]

Kadima Bebrachos

The Laws of Precedence/Kadima by blessings[1]   Introduction: Amongst the laws of blessings on foods are included laws regarding precedence. The laws of precedence apply when one has two different foods in front of him and he plans to eat from both foods. These laws dictate which food should be […]