The tongue tie picture is seen to cause many more side effects than those expected, some problems being more or less important than others. (tonguetie.net)
Ideally, bucket seats have more side support than bench seats, although in reality many bucket seats are little better in that regard. (rismedia.com)
But if you need a little more coverage, I found similar lace - up suits with more side and back coverage included below. (alexawebb.com)