What is the ruling on touching one's own private parts (Mas al-Dhakar) without a barrier in Hanafi Fiqh?

Ablution (الوضوء): Non-Invalidators (ما لا ينقض الوضوء)

• It invalidates Wudu.
• It is a recommended etiquette (Adab).
• It does NOT invalidate Wudu.
• It necessitates performing Ghusl.