Here's a fantastic tool for recording! Screencastify is a chrome extension that enables you to record the activity on your screen while recording a commentary with video (not compulsory for those a little camera shy!) This would be a fantastic tool for recording feedback to students, setting up tasks for those capable and independent students to follow, or make a tutorial (eg. how to use a digital tool) for students to follow.
Here's a small trial run explaining the basics for producing quality feedback on a blog post showing the tools mechanics and functionality! Fluency and confidence will come with a bit of practice!