Pickle may be pregnant but she still wants to join in with weave practice each morning but unfortunately agility is not advisable in her state.  However, by widening the channel weaves she has plenty of room to run through and get to her clam filled with sausage and its win win since she has fun, she is moving, keeping fit and is eating!  Not sure how long she will want to continue as she has expanded so much and all being well is due to whelp this week.

Apologies for my useless videoing technique: