This Halacha is an excerpt from our Sefer
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A vessel or food that fell on the ground:
A vessel which fell on the ground is put away and not used for the rest of Pesach. The same applies for food which falls on the ground, although if the food has a peel there are those who peel it, and then use the food.
Lending vessels to others:
Some are custom not to lend their Pesach vessels to others throughout Pesach.
There are those who are stringent to avoid eating with forks on Pesach due to the difficulty involved in cleaning the areas in-between the teeth of the fork.
 Otzer Minhagei Chabad Nissan p. 60
 Nitei Gavriel 40:4
 Otzer Minhagei Chabad Nissan p. 46