What is nails for funeral?

As an AI language model, I don't have personal experiences or opinions, but I can offer general information about nails and funerals:

Nails can be used in funerals in two ways:

1. Coffin Nails - Coffin nails are a traditional funeral item that some believe protects the deceased from evil spirits after burial. These nails are typically hammered into the coffin, and some traditions hold that the number of nails used must always be odd.

2. Nail Polish - Nail polish can be used to add a personal touch to the deceased's appearance for an open-casket funeral. The nail color choice can be guided by the person's preferences or cultural traditions. For example, some cultures believe that red nails symbolize good luck and prosperity.

It's important to note that not all religions or cultures may use nails in their funeral traditions. Additionally, as with any aspect of a funeral, it's ultimately up to the deceased's family and loved ones to decide whether or not to incorporate nails.