You need something to strip the macrovision signal from your VCR's output. These are harder to get in these post-DMCA days, but they're still around, often disguised as "video stabilizers". In fact a ...
Oh, for the old days when sailing the seas of piracy was as simple as hooking a couple of VCRs together with a dubbing cable. Sure, the video quality degraded with each generation, but it was so bad ...