SAK 32 inch double chain lanyard with swivels on both ends with the SAK metal belt loop is "better" than that, and you don't have to take the knife off to use it.
What good a lanyard when you on for example/instance a ladder or boat/ship deck while underway, have to take the knife off to use it, and drop the knife?
How many knives have been dropped overboard since the first boat or raft was invented however many thoudands or millions of years ago, and reside forevermore on the seafloor?
(None of mine, however, "way to many" is my guess ... just like way too many boats/ships over the years have quit floating for whatever reason(s).)
I keep my Scout/Camp/Demo/GI Utility knife on a 32 inch SAK doube chain lanyard ... unless I'm carrying a Marlin Spike that day or days.