The U curved is a head joint for the standard model flute that has been curved into a U shape so the instrument is more compact. This is so people with a small body frame can hold the instrument without having to reach beyond his or her capabilities.
Waders are a style of waterproof gear designed to allow people to stand in relatively deep water without getting wet. There are two basic styles, hip waders and chest waders, and when they are worn with a warm insulating layer, they can be extremely useful in cold, wet places. For some jobs, this gear may be required while at work, to ensure that employees are protected from the elements.
Spotted sandpipers are medium-sized sandpipers. They are 10 to 18 cm long and have wingspans of 37 to 40 cm. Females are larger than males; they weigh 43 to 50 g compared to 34 to 41 g for males. Spotted sandpipers are brown on their crown, neck, back and wings, and bright white on their face, throat, chest and belly.