Just to throw my opinion and possible shed some light on this topic:
My sifu once actually showed us something he called a "Ving Tsun Clinch" although he said we dont like to use it often. It seems pretty similar to the muay thai clinch from when I compared it with a friend and the main purposes of the clinch my Sifu taught was to choke/cut of circulation in the neck using the bridge/kiu while pulling our opponent into kicks/knees. Another big part about it was breaking your opponents stance/"rooted-ness" to nullify or at least decrease any punches they may try to throw.
What's also interesting to mention is that my Sigong and his school went to China recently to share/exchange knowledge with Ving Tsun schools from our family as well as those that are from different lineages (Shaolin Ving Tsun, Kulo Village, etc). They took many videos and one specific Shaolin Ving Tsun school used something like "one handed clinches" where something they would biu or punch and if the attack was evaded then the hand would still shoot past the neck, form a hook, and pull the opponent in a way similar to the clinch. That school even had extra forms that trained this skill.
I guess like most things, it depends on the family/lineage. The cool thing is that since it's all Ving Tsun, I'm sure we can all incorporate it into our own methods in one way or another.
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