We tried therapeutic horseback when Justin was in First Steps. We had gone to some farm-open-house thing where they were doing rides on miniature horses and he liked that. Mentioned it to our OT and she hooked us up.
Total backfire.

It was the size difference. He was afraid of being up that high. (he still is afraid of heights, that was just the first time it had been an issue) Plus, the stable, there was a mama cat and a litter of kittens there, so you know where his focus went. And he thought it was great fun to play with the sawdust.

(cootie alert!) So while he did have quite an adventure, and the OT played along and did some things with him, the actual riding part didn't happen. She tried the smallest horse, and then even tried a mule. I think it was a mule, it was a long time ago, it wasn't a horse, it was something else they had that was smaller.
mechurchlady, when oldest DS gets angry, he has a very difficult time calming himself back down. I can't do anything to help either, it doesn't work. And because he can't calm himself back down, he just digs himself further and further in. Makes it worse. What starts out as a fairly minor thing, he stews and stews and gets angrier and can't calm himself, and next thing you know he's fully exploded. Honestly, I keep thinking one day he's going to end up in jail. Which scares me. Because he can't calm himself back down.
For example, yesterday when I picked the kids up, I gave a ride home to DS's friend who lives a couple blocks away. He's DS's current "one friend" and is over at our house sometimes. His mom works so some days he will come over after school and stay until his mom gets off work. No biggie. But yesterday I was just not in the mood to have one more kid in the house. I pulled in his driveway and oldest DS started in, he wanted this boy to come to our house. I said no. And then it started. He wanted him to come over, why couldn't he come over, I never let him come over. And then, well then can I stay here with him? No. The boy got out of the car and went in his house. So we get home just like one minute later, and DS is throwing stuff as he crosses the back yard. Whatever was in his path, it got thrown. He got to the door first but I had the key, so he stood at the back door kicking things. It's really no big deal, the boy would have only been here about an hour, and I told them that he could come over today because they have an early out. We get in the house and he's tossing his backpack, and youngest DS wanted on the computer but oldest DS beat him to it. So now youngest DS is screaming. So now we have a scream-fest going. Ugh. Something like that happens every day here. The only way to calm them down is I let oldest DS use my phone to call the kid and they met up online in some game room.
They fight non-stop. Over Christmas, they fought over the computer every day. Christmas Eve day they were fighting over it. Then that evening we opened up some presents and there were Wii games. In a split-second, literally like maybe 2 seconds, they both wanted on the Wii and they wouldn't have cared if I had put the computer out in the yard.

So then they fought over the Wii for about 3 days.
I use a timer all the time, I own four of them if you don't count the one on the stove, that isn't "fair", which seriously how much more fair do you want? Ugh. It's just frustrating.