This clip was always a small problem, as I could never source them looking like original and the repros that SNG sells brake very easily. They are used on XKs but also I think 2 are used on the S1 near the IRS.
I have discovered one looking original:
https://www.mgbits.com/contents/en-uk/p ... etal).html
apparently used widely on MGs too.
Here is mine original for comparison.
Talk about the E-Type Series 1