eg. browser(Firefox) settings > search proxy > manual proxy configuration
Multihop(2 VPNs w/ SOCKS5):
SOCKS Host: 10.64.0.1
Port: 1080
check "Proxy DNS when using SOCKS5" box
Multihop(3 VPNs w/ SOCKS5):
SOCKS Host: au3-wg.socks5.mullvad.net
Port: 1080
check "Proxy DNS when using SOCKS5" box
Server list: https://mullvad.net/en/servers/#/