Here are some stretches and drills you can do when its too cold to go outside and dribble.
Remember to be strong when holding the ball with 2 hands. Remember to keep the ball moving side to side and over your head so the defender cant steal!
Work on planting you foot and pivoting! Video below shows some good pivot moves you should try out to keep the defenders guessing!
You can do most of these indoors without dribbling the ball.

More Details on the stretches

10-basketball-stretches-to-upgrade-your-game

Pivots

Watch the video above to understand how you can pivot and use it to protect the ball. just do the pivoting part indoors. no need to do the dribble and shooting part. Remember to keep the ball moving side to side and over your head so the defender cant steal!

good chart of options once you get the ball and how many steps you can take

Here are some stretches and drills you can do when its too cold to go outside and dribble.

More Details on the stretches

Pivots

Just for fun see below