Possible Clues:

• Slow gait
• Better to avoid extremes - take a gentle stroll
• Mabel will take her time
• Take it easy
• Gee! Bet you won't be in a hurry with this
• Walk miles in island, going in westerly direction
• Walk this side found by the lake in Cumbria
• Even if you don't hurry you'll be able to get about a thousand from this
• Blame for slow walk
• Promenade