How will Trump pass 'nuclear football' to Biden if he's not at swearing-in?

Physical transfer of brief case containing nuclear attack plans has become part of inauguration ritual

It is a responsibility that has passed to every president since John F Kennedy - the custody of the so called nuclear football" - the hardened brief case that is handed over on the day of the inauguration of new presidents by their predecessor.

The question being asked, given Trump's almost unprecedented decision not to meet Joe Biden or attend his swearing in, is what will happen to the nuclear football?