this is what i found if theres something missing ill check again...lol 🙂 :
--Tetsusaiga/Tessaiga: The sword that Inuyasha's father, Inutaisho, left behind in his tomb. This sword can kill 100 living things in one sweep and it's brother sword is the Tensaiga. It can do two attacks . I thought that it can only be touched by hanyous and ningens (humans), but I think I'm wrong because in one episode Shippou touches it and Sesshoumaru even wielded it in episode 134 when he was trying to save (well sort of) this human girl named Sara. Even Inutaisho himself wielded it, I mean it was his sword.I think once your pure and want to save a human life, you;re able to touch it.
--Kaze no Kizu/The Wind Scar: the beginner attack of the Tetsusaiga. It's produced when the two demonic winds collide and the Tetsusagia has to slice fight through it.
--Bakuryuuha: A more powerful attack done by the Tetsusaiga. It's when Inuyasha does the Kaze no Kizu when the opponent is attacking. Thus,making a wind scar AND repelling the attack back at the opponent. The stronger the opponent's attack, the more powerful Bakuryuuha is.
--Kongousouha: This attack is only seen in the manga so far, the anime didn't get to this part yet. When an old friend of Inutaisho, Housenki, told Inuyasha to cut him with his Tetsusaiga, his dai-youkai (greater-demon) powers will be givin to Tetsusaiga. Now Tetsusaiga can turn into a hard crystal (it's a diamond really) and anytime he uses this attack (which can be translated to 'Diamond Spear Blast'😉 a bunch of diamond fragments attack the opponent, which can do some great damage.