Lanchester submachine gun historically usually installed the M1907 bayonet was used by sailors on alert and combat duty on land.
Just like the SIG1920 submachine gun modified by the IJN Shanghai Special Marines.
By the way, in the game The bayonet of the SMLE No.1 MK.III rifle is precisely the M1907 bayonet.
The addition of bayonets makes it easier to move