Best Way to Reserve IPs: LAN>DHCP List (or) Client Status>MAC and IP Address Binding?

I have a handful of devices that need to have reserved IPs due to their rather limited or non-existent ability to reconnect if their IP changes after a warm boot or a power cycle. These aren't static IP clients, they have no user-enabled ability to "set" the IP on the client; they're just really bad—or even 100% unable—at reconnecting if the DHCP server changes their IP.

In the past I've used LAN > DHCP Server > Manually Assigned IP around the DHCP List...

Best Way to Reserve IPs: LAN>DHCP List (or) Client Status>MAC and IP Address Binding?