Edit the /etc/fstab file:
sshfs#nas@nas:/mnt/nas /mnt/nas fuse noauto,defaults,user,_netdev,comment=x-gvfs-show 0 0
koofr: /mnt/koofr rclone rw,noauto,nofail,defaults,user,_netdev,args2env,vfs_cache_mode=writes,config=/home/neonew/.config/rclone/rclone.conf,password-command='bash\040-c\040"PASSWORD_STORE_DIR=/home/neonew/.password-store/\040pass\040rclone/config"',comment=x-gvfs-show 0 0
\040 escapes spaces.
To mount and unmount:
mount /mnt/nas
fusermount3 -u /mnt/nas