Probably most small waza? I mean you COULD do them with a shinken but you would mostly graze and irritate rather than dispatch the opponent.
Come to think of it, kendo-style taiatari (sp?) where the shinai is touching the opponent is probably out the window...
This of course coming from a lowly kendo sankyu so take with a large shaker's worth of salt
Stelios Kalogreades
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Tsze-kung asked, saying, 'Is there one word which may serve as a rule of practice for all one's life?' The Master said, 'Is not RECIPROCITY such a word? What you do not want done to yourself, do not do to others.'
Confucius, The Analects Book XV Chapter XXIII (c. 500 BC)