Make goals for early braille writing - on the Perkins brailler and one for digital braille RBD keyboard! Jones's Kindergarten: Writing goals - make a chart with students writing goals so students can clearly see what they are working on.
Teach students to SELF-REGULATE. Students with poor self-regulation affects their leaning, others' learning and the teacher's ability to teach because of interruptions. My school uses the excellent ZONES OF REGULATION resource.