From Post Today, March 14, 2016
On the rope: Senators; Election
[The tiger has Thaksin’s face. Defense Secretary Prawit Wongsuwan and Prime Minister Prayuth are riding the tiger in a reference to the idea that it is difficult to extract themselves from their powerful positions without risking vengeance from Thaksin.
For those who oppose Thaksin, ensuring that the senate is appointed is a way to make sure that Thaksin’s party cannot dominate both houses of parliament and thus change any law it wants.
See Couples’ Parliament for more on the Thai perspective on the senate.]