Having trouble landing this

Im new to spencer i was wonderig if anyone can help me with tips on how to land the combo in this video? i always mess up at the downfoward ziplne to S, H

can anyone help me out?

[media=youtube]kDUO45wVYNk[/media]

That combo is not linked from my thread anymore and I would advise not doing it except on Tron (who it’s easy against). Zip loop is way better.