Road-Kill

[milo]

But # 3 makes no mention of the combination of #4 and #3, or #4 and #1 i.e.

/ LOOK in/ the GLASS/ and TELL/ the FACE/ thou VIEW/ [est]
/ NOW is/ the TIME/ that FACE/ should FORM/ an OTH/ [er]

You can always use feminine endings. You can always use headless iambs (except first line) Obviously you can use them in conjunction.