First install the needed tool
to install - sudo apt install sshfs
Usage:
sudo nano /etc/fuse.conf
user_allow_other [[ uncomment this line ]]
(save and exit --> Ctrl-O, enter, Ctrl-X, enter)
sudo mkdir /media/rmount
sshfs -o allow_other user@host:/home/username/Downloads/folder /media/rmount
(full path must be mentioned always, ~/Downloads or $USER etc doesn't work)