Drill a 1" hole in the center of the Mason Jar Lid.
Center the gasket on the external surface of the jar lid and trace the outline of the gasket.
Drill 16 - 1/4" holes between the edge of the lid and the traced line. The holes need to end up unblocked by the jar threads and the gasket. Mount gasket with 1 1/4" Inside Dimeter up to mnimize interference with water flow.
1/ea Lavatory Pop-Up Drain Gasket 2" O.D. X 1 1/4" I.D. X 1/4" www.danco.com "6P52101" available from Home Depot