Splined Hub holding tool, very cheap & cheerful tool that locks onto the ground for:

holding rear hubs from turning whilst torqueing up hub nuts or using the hub remover,

holds DB2 on to DB6 42mm splined front hubs in vice so you can undo hub locking ring  with the spanner,

various other uses for various other cars as well as Astons,

can also make up 52mm one for DB6 Mk2, DBS 6 & Jags