Priming the blog for microblogging seems to be relatively simple. The Micro.blog app will post in a similar way to Ulysses which allows for "post type" selection and WordPress is Manton's platform of choice.
Custom RSS template without items titles created and working. Now just need to work out how to apply it to a specific category.
Custom template tweaked and linked to category using
add_feed() to call a function which filters by category type and exclude sharing links.
New colinwalker.blog domain purchased and the job of moving over begins tomorrow!